20781322822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1\times {\mathrm{491261}}^1$

素因数の和:492903

約数の個数: 16

約数和(自身を含む): 33590530512

約数和(自身を除く): 12809207690

約数列:

[1, 2, 13, 26, 1627, 3254, 21151, 42302, 491261, 982522, 6386393, 12772786, 799281647, 1598563294, 10390661411, 20781322822]

約数ペア:

[(1, 20781322822), (2, 10390661411), (13, 1598563294), (26, 799281647), (1627, 12772786), (3254, 6386393), (21151, 982522), (42302, 491261)]